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authorVincent Ambo <tazjin@google.com>2020-05-17T14·52+0100
committerVincent Ambo <tazjin@google.com>2020-05-17T14·52+0100
commit7994fd1d545cc5c876d6f21db7ddf9185d23dad6 (patch)
tree32dd695785378c5b9c8be97fc583e9dfc62cb105 /third_party/nix/mk/templates.mk
parentcf8cd640c1adf74a3706efbcb0ea4625da106fb2 (diff)
parent90b3b31dc27f31e9b11653a636025d29ddb087a3 (diff)
Add 'third_party/nix/' from commit 'be66c7a6b24e3c3c6157fd37b86c7203d14acf10' r/724
git-subtree-dir: third_party/nix
git-subtree-mainline: cf8cd640c1adf74a3706efbcb0ea4625da106fb2
git-subtree-split: be66c7a6b24e3c3c6157fd37b86c7203d14acf10
Diffstat (limited to 'third_party/nix/mk/templates.mk')
-rw-r--r--third_party/nix/mk/templates.mk19
1 files changed, 19 insertions, 0 deletions
diff --git a/third_party/nix/mk/templates.mk b/third_party/nix/mk/templates.mk
new file mode 100644
index 000000000000..c7ac7afbff27
--- /dev/null
+++ b/third_party/nix/mk/templates.mk
@@ -0,0 +1,19 @@
+template-files :=
+
+# Create the file $(1) from $(1).in by running config.status (which
+# substitutes all ‘@var@’ variables set by the configure script).
+define instantiate-template
+
+  clean-files += $(1)
+
+endef
+
+ifneq ($(MAKECMDGOALS), clean)
+
+%.h: %.h.in
+	$(trace-gen) rm -f $@ && ./config.status --quiet --header=$@
+
+%: %.in
+	$(trace-gen) rm -f $@ && ./config.status --quiet --file=$@
+
+endif